KF8 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.533290 n_e = 1.535733	V_d = 51.97 V_e = 51.69	n_F - n_C = 0.010259 n_F' - n_C' = 0.010362

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.53002 C3 = 0.0189774 C4 = -0.0105133 C5 = -0.000655734 C6 = -0.000362922 C7 = 0.0000798091 C8 = -0.000312207 C9 = 0.000374978 C10 = 0.000470819 C11 = -0.000281755

Refraction index
n _2.3254	1.504748
n _1.9701	1.509998
n _1.5296	1.515537
n _1.06	1.521350
n _t	1.522020
n _s	1.524811
n _r	1.528456
n _C	1.530201
n _C'	1.530690
n _0.6328	1.531149
n _D	1.533199
n _d	1.533290
n _e	1.535733
n _F	1.540460
n _F'	1.541053
n _g	1.546161
n _h	1.550986
n _i	1.559446
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7973
P_C,A'	0.3400
P_d,C	0.3011
P_e,C	0.5391
P_g,d	1.2545
P_g,F	0.5556
P_h,g	0.4702
P_i,g	1.2948
P_C',t	0.8450
P_e,C'	0.4914
P_F',e	0.5186
P_i,F'	1.7927

Density: 2.68 g/cm³
Poisson coef.: 0.208
Young module: 720 Pa*10⁸
Optical stress coef.: 2.9 1/Pa*10¹²
Abrasion: 1

Climatic resistance: А
Resistance to acids: I